On Fri, 2009-08-14 at 12:06 -0700, Daniel L. Miller wrote: > Now do we need to implement some kind of external database for tracking > the attachments between mailboxes? Any thoughts on what that should > look like?
I think: Step 1) Calculate SHA256 of the attachment and get base64 sum of it. See if you have $attachment_dir/$base64 file. If you do, assume it's the file and use it. If not, save the attachment there. Step 2) Instead of a single huge attachment dir add some directory hashing. Could be as simple as attachments/first-two-bytes-of-base64/next-two-bytes-of-base64/base64. Step 3) Optionally also check (on background?) that the files match byte-by-byte to handle the (really low probability of) hash collisions. This is probably a bit trickier to do, especially on background.
signature.asc
Description: This is a digitally signed message part
